125102265156 has 192 divisors, whose sum is σ = 356377190400. Its totient is φ = 37637452800.

The previous prime is 125102265151. The next prime is 125102265179. The reversal of 125102265156 is 651562201521.

125102265156 is a `hidden beast` number, since 12 + 5 + 102 + 26 + 515 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 125102265156.

It is not an unprimeable number, because it can be changed into a prime (125102265151) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 134662900 + ... + 134663828.

It is an arithmetic number, because the mean of its divisors is an integer number (1856131200).

Almost surely, 2^125102265156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125102265156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178188595200).

125102265156 is an abundant number, since it is smaller than the sum of its proper divisors (231274925244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125102265156 is a wasteful number, since it uses less digits than its factorization.

125102265156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647 (or 1639 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

Adding to 125102265156 its reverse (651562201521), we get a palindrome (776664466677).

The spelling of 125102265156 in words is "one hundred twenty-five billion, one hundred two million, two hundred sixty-five thousand, one hundred fifty-six".